Atmel ATMEGA168A-AU

AVR20MHz16KB（8K x 16）

Overview

OverviewThe Atmel ATmega48/88/168 is a low-power CMOS 8-bit microcontroller based on the AVR enhanced RISC architecture. By executing powerful instructions in a single clock cycle, the ATmega48/88/168 achieves throughputs approaching 1 MIPS per MHz allowing the system designer to optimize power consumption versus processing speed.

• High performance, low power Atmel® AVR® 8-bit microcontroller• Advanced RISC architecture – 131 powerful instructions – most single clock cycle execution – 32 × 8 general purpose working registers – Fully static operation – Up to 20 MIPS throughput at 20MHz – On-chip 2-cycle multiplier• High endurance non-volatile memory segments – 4/8/16 Kbytes of in-system self-programmable flash program memory – 256/512/512 bytes EEPROM – 512/1K/1Kbytes internal SRAM – Write/erase cyles: 10,000 flash/100,000 EEPROM – Data retention: 20 years at 85°C/100 years at 25°C() – Optional boot code section with independent lock bits In-system programming by on-chip boot program True read-while-write operation – Programming lock for software security• QTouch® library support – Capacitive touch buttons, sliders and wheels – QTouch and QMatrix acquisition – Up to 64 sense channels• Peripheral – Two 8-bit timer/counters with separate prescaler and compare mode – One 16-bit timer/counter with separate prescaler, compare mode, and capture mode – Real time counter with separate oscillator – Six PWM channels – 8-channel 10-bit ADC in TQFP and QFN/MLF package – 6-channel 10-bit ADC in PDIP Package – Programmable serial USART – Master/slave SPI serial interface – Byte-oriented 2-wire serial interface (Philips I2C compatible) – Programmable watchdog timer with separate on-chip oscillator – On-chip analog comparator – Interrupt and wake-up on pin change• Special microcontroller – DebugWIRE on-chip debug system – Power-on reset and programmable brown-out detection – Internal calibrated oscillator – External and internal interrupt sources – Five sleep modes: Idle, ADC noise reduction, power-save, power-down, and standby• I/O and packages – 23 programmable I/O lines – 28-pin PDIP, 32-lead TQFP, 28-pad QFN/MLF and 32-pad QFN/MLF• Operating voltage: – 1.8V - 5.5V for Atmel ATmega48V/88V/168V – 2.7V - 5.5V for Atmel ATmega48/88/168• Temperature range: – -40°C to 85°C• Speed grade: – ATmega48V/88V/168V: 0 - 4MHz @ 1.8V - 5.5V, 0 - 10MHz @ 2.7V - 5.5V – ATmega48/88/168: 0 - 10MHz @ 2.7V - 5.5V, 0 - 20MHz @ 4.5V - 5.5V• Low power consumption – Active mode: 250µA at 1MHz, 1.8V 15µA at 32kHz, 1.8V (including oscillator) – Power-down mode: 0.1µA at 1.8V

Features

• High Performance, Low Power AVR® 8-Bit Microcontroller Family

• Advanced RISC Architecture

• High Endurance Non-volatile Memory Segments

• QTouch® library support

• Peripheral Features

• Two 8-bit Timer/Counters with Separate Prescaler and Compare Mode

  ̶ One 16-bit Timer/Counter with Separate Prescaler, Compare Mode, and Capture Mode

• megaAVR® Data Sheet

• ATmega48A/PA/88A/PA/168A/PA/328/P

• Introduction

• The ATmega48A/PA/88A/PA/168A/PA/328/P is a low-power, CMOS 8-bit microcontrollers based on the

• AVR® enhanced RISC architecture. By executing instructions in a single clock cycle, the devices achieve

• CPU throughput approaching one million instructions per second (MIPS) per megahertz, allowing the system designer to optimize power consumption versus processing speed.

• 2018 Microchip Technology Inc. Data Sheet Complete DS40002061A-page 2

• ATmega48A/PA/88A/PA/168A/PA/328/P

  ̶Real Time Counter with Separate Oscillator

• Six PWM Channels

• 8-channel 10-bit ADC in TQFP and QFN/MLF package

Applications

• General Uses

• Industrial